<nav>
  <ul>
    <li>
      <a href="https://github.com/cycfi/elements/">
        <img src="{{ '/assets/images/logo.png' | relative_url }}"/>
      </a>
    </li>
  {% for item in site.data.navigation %}
    <li>
      <a href="{{ item.url | relative_url }}">{{ item.label }}</a>
    </li>
  {% endfor %}
  </ul>
</nav>
